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Study Finds Possible Link Between Genes and Friendship

Could your genes help decide the friends you choose? BBC News reports:

Researchers in the United States say they have uncovered tentative evidence of a genetic component to friendship.

Using data from two independent studies, they found carriers of one gene associated with alcoholism tended to stick together.

However, people with another gene linked with metabolism and openness, stayed apart.

Details are published in the journal Proceedings of the National Academy of Sciences.

The researchers looked at six genetic markers in two long-running US studies, the National Longitudinal Study of Adolescent Health and the Framingham Heart Study, which contain both genetic data and information on friends.